Air and Atmosphere Multiple Choice Questions 3

Practice air and atmosphere MCQs, grade 6 online science test 3, air and processes multiple choice questions and answers. Air and processes revision test has science worksheets, helping answer key with choices as respiration, photosynthesis, rusting and excretion of multiple choice questions (MCQ) with air and processes quiz as intake of carbon dioxide and giving out of oxygen is only process named for competitive exam prep, viva interview questions. Free science study guide to practice air and processes quiz to attempt multiple choice questions based test.

MCQs on Air and Atmosphere Quiz PDF Download Worksheets 3

MCQ. Intake of carbon dioxide and giving out of oxygen is the only process named

  1. photosynthesis
  2. respiration
  3. rusting
  4. excretion


MCQ. Air is a mixture that makes up the

  1. season
  2. atmosphere
  3. clouds
  4. temperature


MCQ. The condensation point of oxygen gas is

  1. (-113°C)
  2. (-133°C)
  3. (-183°C)
  4. (-143°C)


MCQ. Ammonia is used to make compounds such as

  1. ammonium sulfate
  2. ammonium nitrate
  3. all of these
  4. nitric acid


MCQ. The layer that blocks the ultraviolet (UV) rays from the sun is

  1. top layer
  2. inner layer
  3. ozone layer
  4. outer